Diagrams Softwares and Apps

Dia is a free and open-source diagramming software suitable for creating a variety of diagrams including flowcharts, UML diagrams, and network layouts. ...more

Pencil Project is a free and open-source GUI prototyping tool that helps designers and developers create wireframes and mockups easily. Available as a standalone application and a Firefox extension, it offers a wide range of built-in shapes and templates for various platforms. ...more

draw.io is a versatile online diagramming tool providing a rich feature set for creating professional diagrams of all types. It offers robust integrations with major cloud storage providers and office suites, enabling seamless collaboration and accessibility. Its intuitive interface makes diagram creation straightforward for users of all skill levels. ...more

UMLet is an open-source, Java-based UML modeling tool designed for both educational purposes and rapid creation of UML diagrams. It supports a wide range of diagram types and offers good integration with popular IDEs. ...more